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2
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1answer
24 views

What are the differences between the various household surfactants?

In a typical household, the following surfactants are found, among others: Soap / handwash Shower gel Shampoo Dishwashing agent Washing powder / liquid From my understanding, the role of all these ...
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vote
2answers
86 views

What are the main differences of CTAB and DTAB surfactants? And what are practical applications of them?

Just doing a little bit of research of both surfactants but I can't seem to find too much online about them. Hopefully you guys can help out!
2
votes
1answer
50 views

Dyes that can stain oil and water

Is there such a thing as a dye that can stain both oil and water? In other words, does anyone know of an amphiphilic dye? Maybe a surfactant that is also a pretty shade of blue? Or maybe turn one ...
2
votes
1answer
119 views

Thermodynamics (Entropy change) of micellization?

I was reviewing the thermodynamics of micelle formation from the Wikipedia page and this book. I understood most of the arguments but micellization is supposed to be an entropy driven process with a ...
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0answers
119 views

Perfluorobutanesulfonic acid (PFBS) Safety and Toxicity

I was wondering if anyone had any experience with PFBS or PFOS (perflurooctane sulfonic acid)? I am thinking about trying to purchase some of these fluorosurfactants in bulk in order to (hopefully) ...
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0answers
65 views

Colors of soap, Dodecanol, and chlorosulfonic acid

I was wondering if anyone had any insight as to why the reaction of chlorosulfonic acid (colorless) and 1-dodecanol (colorless) produces a deep dark red colored solution? The reaction should give ...
3
votes
1answer
154 views

What is the substance in the new water cooler filter that give bubbles and taste a bit like soap

Recently the water cooler was replace with a new filter. However, when I refill my water kettle with the water from the water cooler, there are many bubbles and the taste was a bit like soap. What ...
3
votes
1answer
183 views

Removing wine stains from a decanter

I have a decanter which I use fairly often to pour out wines. I typically rinse it with hot water after the last wine has come out, but I cannot prevent it from forming 'residual' wine stains over ...
3
votes
1answer
77 views

Stripeless cleaning of windows

Cross post: http://physics.stackexchange.com/q/56800/7433 Last week I was discussing with a friend how we thought the stripeless cleaning of windows is achieved when using a cleaner like Windex ...
2
votes
1answer
92 views

Impact of detergent on internal living tissue?

There was some spirited debate between the members of my chemistry lab today about the theoretical consequences of ingesting a large amount of the detergent Triton X-100 at a 100% concentration. The ...
7
votes
1answer
320 views

What is the opposite of a surfactant?

Surfactants decrease surface tension between two fluids. What do you call a substance that increases the surface tension between two fluids? How is this effect acheived?
3
votes
1answer
48 views

How do surfactants spread in the case of multiple materials?

For example, consider a pot of water with a drop of oil floating on it, with surfactants present in the water. Will the surfactants in the water spread evenly across all three interfaces ...
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3answers
4k views

Reaction of soap with water

I've seen it many times... Why does soap becomes like a foam when it reacts with water (moisture) or when we touch it with wet hands.. What compound formed actually cause this physical change? And why ...